Drum \Drum\, n. [Cf. D. trom, trommel, LG. trumme, G. trommel,
Dan. tromme, Sw. trumma, OHG. trumba a trumpet, Icel. pruma a
clap of thunder, and as a verb, to thunder, Dan. drum a
booming sound, drumme to boom; prob. partly at least of
imitative origin; perh. akin to E. trum, or trumpet.]
1. (Mus.) An instrument of percussion, consisting either of a
hollow cylinder, over each end of which is stretched a
piece of skin or vellum, to be beaten with a stick; or of
a metallic hemisphere (kettledrum) with a single piece of
skin to be so beaten; the common instrument for marking
time in martial music; one of the pair of tympani in an
orchestra, or cavalry band.
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The drums cry bud-a-dub. --Gascoigne.
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2. Anything resembling a drum in form; as:
(a) A sheet iron radiator, often in the shape of a drum,
for warming an apartment by means of heat received
from a stovepipe, or a cylindrical receiver for steam,
etc.
(b) A small cylindrical box in which figs, etc., are
packed.
(c) (Anat.) The tympanum of the ear; -- often, but
incorrectly, applied to the tympanic membrane.
(d) (Arch.) One of the cylindrical, or nearly cylindrical,
blocks, of which the shaft of a column is composed;
also, a vertical wall, whether circular or polygonal
in plan, carrying a cupola or dome.
(e) (Mach.) A cylinder on a revolving shaft, generally for
the purpose of driving several pulleys, by means of
belts or straps passing around its periphery; also,
the barrel of a hoisting machine, on which the rope or
chain is wound.
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3. (Zool.) See Drumfish.
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4. A noisy, tumultuous assembly of fashionable people at a
private house; a rout. [Archaic]
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Not unaptly styled a drum, from the noise and
emptiness of the entertainment. --Smollett.
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Note: There were also drum major, rout, tempest, and
hurricane, differing only in degrees of multitude and
uproar, as the significant name of each declares.
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5. A tea party; a kettledrum. --G. Eliot.
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Bass drum. See in the Vocabulary.
Double drum. See under Double.
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